Home / 28,680.01-42,991.79-12,044.77

Finding the Fourth Proportional to 28,680.01, 42,991.79 and 12,044.77

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Solution

The fourth proportional to 28,680.01, 42,991.79 and 12,044.77 is: 18,055.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.01 : 42,991.79 = 12,044.77 : x
  2. Step 2: Convert to fraction form
    28,680.01/42,991.79 = 12,044.77/x
  3. Step 3: Cross multiply
    28,680.01x = 42,991.79 × 12,044.77
  4. Step 4: Simplify right side
    28,680.01x = 517,826,037.59
  5. Step 5: Solve for x
    x = 517,826,037.59/28,680.01
  6. Step 6: Final answer
    x = 18,055.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.